CN214874230U - Time-sharing four-wheel drive transmission assembly of four-wheel motorcycle - Google Patents

Time-sharing four-wheel drive transmission assembly of four-wheel motorcycle Download PDF

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Publication number
CN214874230U
CN214874230U CN202121134458.8U CN202121134458U CN214874230U CN 214874230 U CN214874230 U CN 214874230U CN 202121134458 U CN202121134458 U CN 202121134458U CN 214874230 U CN214874230 U CN 214874230U
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China
Prior art keywords
gear
sharing
time
wheel drive
shaft
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CN202121134458.8U
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Chinese (zh)
Inventor
梁道明
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Chongqing Dongba Technology Co ltd
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Chongqing Dongba Technology Co ltd
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Abstract

A time-sharing four-wheel drive transmission assembly of a four-wheel motorcycle comprises a motorcycle reverse gear, one side of a shell of the reverse gear is fixedly connected with a time-sharing four-wheel drive transmission case, an output main shaft of the reverse gear penetrates through the time-sharing four-wheel drive transmission case to extend outwards, a time-sharing drive rotating shaft is arranged in the time-sharing four-wheel drive transmission case and extends outwards, the time-sharing drive rotating shaft is parallel to the output main shaft and opposite to the extending direction, an intermediate shaft is arranged in the time-sharing four-wheel drive transmission case, a driving gear is circumferentially fixed on the output main shaft and meshed with an intermediate gear on the intermediate shaft, a driven gear is sleeved on the time-sharing drive rotating shaft in a hollow mode and meshed with the intermediate gear, a four-wheel drive clutch gear capable of axially moving is circumferentially fixed on the time-sharing drive rotating shaft, an axially moving shifting fork shaft is slidably matched in the time-sharing four-wheel drive transmission case, one end of the four-wheel drive shifting fork shaft is extended outwards, a four-wheel drive switching shifting fork fixedly connected on the shifting fork shaft is clamped and matched in an annular groove of the four-wheel clutch gear, a return spring is sleeved on the shifting fork shaft and is positioned between the four-wheel-drive switching shifting fork and the wall of the box body supporting the extending end of the shifting fork shaft.

Description

Time-sharing four-wheel drive transmission assembly of four-wheel motorcycle
Technical Field
The utility model relates to a motorcycle reverse gear ware field, in particular to four-wheel motorcycle's timesharing four-wheel drive transmission assembly.
Background
The speed change mechanism arranged in the crankcase of the motorcycle engine is designed for the two-wheeled motorcycle, and the speed change mechanisms of the existing motorcycle engines have no reverse gear function. In order to enable a three-wheel motorcycle or a four-wheel motorcycle adopting a motorcycle engine to run backwards, a reverse gear specially used for realizing forward or reverse running conversion is installed, the reverse gear is installed outside a crankcase of the motorcycle engine and connected with an output shaft of a speed change mechanism of the motorcycle engine, so that power output by the speed change mechanism of the engine is switched through the reverse gear, and the power is transmitted to a rear wheel drive axle through a transmission shaft by the reverse gear, thereby realizing forward or reverse running of the three-wheel motorcycle or the four-wheel motorcycle. However, in the conventional motorcycle reverse gear structure, only one output shaft outputs driving power, so that the rear wheel can be driven by two wheels, and the front wheel and the rear wheel cannot be driven by four wheels. If the four-wheel drive is realized by improving the transmission shaft structures of the front wheel and the rear wheel of the four-wheel motorcycle, the four-wheel motorcycle can only realize the full-time four-wheel drive, and the time-sharing four-wheel drive can not be realized, so that the running oil consumption and the exhaust emission of the four-wheel motorcycle are increased, and the four-wheel motorcycle is not beneficial to energy conservation and environmental protection.
Disclosure of Invention
The utility model aims at the deficiencies that exist to prior art, provide a four-wheel motorcycle's timesharing drives transmission assembly four times, it enables motorcycle reverse gear ware and realizes timesharing drives transmission output power four times.
The technical scheme of the utility model is realized like this:
a time-sharing four-wheel drive transmission assembly of a four-wheel motorcycle comprises a motorcycle reverse gear, one side of a motorcycle reverse gear shell is fixedly connected with a time-sharing four-wheel drive transmission case, an output main shaft of the motorcycle reverse gear penetrates through the time-sharing four-wheel drive transmission case to extend outwards, a time-sharing drive rotating shaft is arranged in the time-sharing four-wheel drive transmission case and extends outwards, the time-sharing drive rotating shaft is parallel to the output main shaft, the extending direction of the time-sharing drive rotating shaft is opposite to the extending direction of the output main shaft, an intermediate shaft parallel to the output main shaft is arranged in the time-sharing four-wheel drive transmission case, an intermediate gear is arranged on the intermediate shaft, a driving gear is circumferentially fixed on the output main shaft and meshed with the intermediate gear, a driven gear is sleeved on the time-sharing drive rotating shaft in an empty mode and meshed with the intermediate gear, a four-wheel clutch gear can be axially fixed on the time-sharing drive rotating shaft in a circumferential direction, and can be combined with or separated from the driven gear through axial movement, the four-wheel drive clutch gear is provided with an annular groove surrounding the circumference, a shifting fork shaft moving in the axial direction is in sliding fit with the time-sharing drive transmission box and is parallel to the time-sharing drive rotating shaft, one end of the shifting fork shaft extends outwards to be used for connecting an operating mechanism, a four-wheel drive switching shifting fork fixedly connected to the shifting fork shaft is clamped and matched in the annular groove of the four-wheel drive clutch gear, and a return spring is sleeved on the shifting fork shaft and is positioned between the four-wheel drive switching shifting fork and the box body wall supporting the extending end of the shifting fork shaft.
The output main shaft of the motorcycle reverse gear is supported on the reverse gear shell and the time-sharing four-wheel drive transmission case through bearings respectively, and the time-sharing drive rotating shaft and the intermediate shaft are supported on the time-sharing four-wheel drive transmission case through bearings respectively.
The intermediate shaft is a spline shaft, and the intermediate gear is in spline fit with the intermediate shaft.
The timesharing drive pivot is equipped with the spline section, four-wheel drive clutch gear passes through spline fit on the spline section, four-wheel drive clutch gear is equipped with and combines the external tooth, driven gear sets up with four-wheel drive clutch gear one end in opposite directions and combines the internal tooth, and the meshing of the external tooth that combines with four-wheel drive clutch gear when supplying four-wheel drive.
The time-sharing four-wheel drive transmission case comprises a case body and a case cover, the case body is fixedly connected with a motorcycle reverse gear casing through a bolt, the case cover is fixedly connected with the case body through a bolt, an output main shaft of the motorcycle reverse gear is respectively supported on the reverse gear casing and the case cover of the time-sharing four-wheel drive transmission case through bearings, and an intermediate shaft and a time-sharing drive rotating shaft are respectively supported on the case body and the case cover of the time-sharing four-wheel drive transmission case through bearings.
The outer extending end of the output main shaft is fixedly connected with a first universal joint coupler and used for being connected with a rear transmission shaft, and the outer extending end of the time-sharing driving rotating shaft is fixedly connected with a second universal joint coupler and used for being connected with a front transmission shaft.
The motorcycle reverse gear device comprises a forward gear bevel gear, a reverse gear bevel gear, an input bevel gear and an output main shaft, the output main shaft is supported in the reverse gear device shell through a bearing, one end of the output main shaft extends out of the reverse gear device shell, the forward gear bevel gear and the reverse gear bevel gear are positioned in the reverse gear device shell, and are oppositely and freely sleeved on the output main shaft, the input bevel gear is supported on the reverse gear shell through a bearing, and is meshed with a forward bevel gear and a reverse bevel gear, the opposite ends of the forward bevel gear and the reverse bevel gear are both provided with combination internal teeth, a gear-shifting combination gear is positioned between the opposite ends of the forward bevel gear and the reverse bevel gear, a spline which can move axially is matched on the output main shaft, a shifting fork is clamped in a ring groove arranged on the shifting combination gear, the shifting fork is fixedly connected to a shifting fork rotating shaft, and one end of the shifting fork rotating shaft extends out of the reverse gear device shell and is fixedly connected with a shifting pedal.
By adopting the scheme, one side of a shell of the motorcycle reverse gear device is fixedly connected with a time-sharing four-wheel drive transmission case, an output main shaft of the motorcycle reverse gear device penetrates through the time-sharing four-wheel drive transmission case to extend outwards, a time-sharing drive rotating shaft is arranged in the time-sharing four-wheel drive transmission case and extends outwards, the time-sharing drive rotating shaft is parallel to the output main shaft and has opposite extending direction, an intermediate shaft parallel to the output main shaft is arranged in the time-sharing four-wheel drive transmission case, an intermediate gear is arranged on the intermediate shaft, a driving gear is circumferentially fixed on the output main shaft and is meshed with the intermediate gear, a driven gear is freely sleeved on the time-sharing drive rotating shaft and is meshed with the intermediate gear, a four-wheel drive clutch gear can be axially moved and circumferentially fixed on the time-sharing drive rotating shaft, the four-wheel clutch gear is provided with a circumferential annular groove surrounding the circumference, an axially moving shifting fork shaft is in sliding fit with the time-sharing driving rotating shaft in the time-sharing four-wheel drive transmission box, one end of the shifting fork shaft extends outwards and is used for being connected with the control mechanism, a four-wheel drive switching shifting fork fixedly connected to the shifting fork shaft is in clamping fit with an annular groove of the four-wheel drive clutch gear, and a return spring is sleeved on the shifting fork shaft and is positioned between the four-wheel drive switching shifting fork and the wall of the box body supporting the extending end of the shifting fork shaft. Therefore, the power output by the motorcycle reverse gear device can be transmitted to a rear drive axle of the four-wheel motorcycle through an output main shaft for rear wheel two-drive driving, and simultaneously transmitted to a driven gear which is in hollow fit on a time-sharing driving rotating shaft through a driving gear and an intermediate gear, the four-drive clutch gear on the time-sharing driving rotating shaft is controlled to axially move through a four-drive switching shifting fork to be combined with the driven gear, and the power transmitted by the driven gear is transmitted to the front drive axle through the four-drive clutch gear and the time-sharing driving rotating shaft for front wheel two-drive driving; and due to the tension action of the return spring, after the control force of the four-wheel drive switching shifting fork is relieved, the four-wheel drive switching shifting fork is pushed to return by the return spring to drive the four-wheel drive clutch gear to be separated from the driven gear, and the transmission of power to the forward drive axle by the time-sharing drive rotating shaft is interrupted, so that the four-wheel motorcycle realizes the time-sharing four-wheel drive function.
The utility model discloses a set up the timesharing four-wheel drive transmission case on motorcycle reverse gear ware, the output main shaft through reverse gear ware and the timesharing drive pivot of timesharing four-wheel drive transmission case are respectively to four-wheel motorcycle's rear drive axle, front drive axle transmission power, and combine or separate the timesharing transmission that realizes four-wheel motorcycle four-wheel drive through four-wheel drive switching shift fork control four-wheel drive clutch gear and driven gear, can switch between four-wheel drive and two-wheel drive according to four-wheel motorcycle's the needs of traveling, make four-wheel motorcycle strengthen the climbing ability through four-wheel drive, also enable four-wheel motorcycle simultaneously and reduce oil consumption and exhaust emissions of traveling through two-wheel drive, be favorable to energy-concerving and environment-protective.
Drawings
Fig. 1 is a schematic sectional structure of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Detailed Description
Referring to fig. 1 and 2, the time-sharing four-wheel drive transmission assembly of the four-wheel motorcycle comprises a motorcycle reverse gear, the motorcycle reverse gear of the embodiment comprises a forward bevel gear 7, a reverse bevel gear 3, an input bevel gear 19 and an output main shaft 2, the output main shaft 2 is supported on the reverse gear casing 1 through a bearing, one end of the output main shaft 2 extends out of the reverse gear casing 1, the forward gear bevel gear 7 and the reverse gear bevel gear 3 are positioned in the reverse gear casing 1, and are fitted on the output spindle 2 in opposite directions, the input bevel gear 19 is located on the side of the mounting plate 6 provided on the reverse gear housing 1, is supported on the reverse gear casing 1 through a bearing and is meshed with the forward gear bevel gear 7 and the reverse gear bevel gear 3, the mounting plate 6 is used for being fixedly connected with an engine through bolts, and the input bevel gear 19 is used for being in spline fit connection with an output shaft of the engine through an internal spline. The opposite ends of the forward bevel gear 7 and the reverse bevel gear 3 are provided with combined internal teeth, a shifting combined gear 4 is positioned between the opposite ends of the forward bevel gear 7 and the reverse bevel gear 3, the spline capable of axially moving is matched on the output main shaft 2, a shifting fork 5 is clamped in a ring groove arranged on the shifting combined gear 4, the shifting fork 5 is fixedly connected on a shifting fork rotating shaft 23, and one end of the shifting fork rotating shaft 23 extends out of the reverse gear device shell 1 and is fixedly connected with a shifting pedal (not shown). Of course, the motorcycle reverse gear device is not limited to the structure of the embodiment, and may be a motorcycle reverse gear device with other structures. One side of the motorcycle reverse gear shell 1 is fixedly connected with a time-sharing four-wheel drive transmission case, an output main shaft 2 of the motorcycle reverse gear penetrates through the time-sharing four-wheel drive transmission case to extend outwards, a time-sharing drive rotating shaft 17 is arranged in the time-sharing four-wheel drive transmission case and extends outwards, the time-sharing drive rotating shaft 17 is parallel to the output main shaft 2, the extending direction of the time-sharing drive rotating shaft is opposite to that of the output main shaft, and an intermediate shaft 12 parallel to the output main shaft is arranged in the time-sharing four-wheel drive transmission case. The output main shaft 2 of the motorcycle reverse gear is respectively supported on the reverse gear shell 1 and the time-sharing four-wheel drive transmission case through bearings, and the time-sharing drive rotating shaft 17 and the intermediate shaft 12 are respectively supported on the time-sharing four-wheel drive transmission case through bearings. In order to facilitate the assembly of the time-sharing four-wheel drive transmission assembly, the time-sharing four-wheel drive transmission case comprises a case body 8 and a case cover 9, the case body 8 is fixedly connected with a reverse gear casing 1 of the motorcycle through bolts, the case cover 9 is fixedly connected with the case body 8 through bolts, an output main shaft 2 of the reverse gear is respectively supported on the case body 8 and the case cover 9 of the reverse gear casing 1 and the time-sharing four-wheel drive transmission case through bearings, and an intermediate shaft 12 and a time-sharing drive rotating shaft 17 are respectively supported on the case body 8 and the case cover 9 of the time-sharing four-wheel drive transmission case through bearings. An intermediate gear 13 is arranged on the intermediate shaft 12, the intermediate shaft 12 in this embodiment is a spline shaft, and the intermediate gear 13 is in spline fit with the intermediate shaft 12; of course, the intermediate gear and the intermediate shaft may be a gear shaft of an integrally formed structure, or the intermediate shaft may be a smooth shaft, and the intermediate gear is slidably fitted on the smooth shaft. A driving gear 10 is circumferentially fixed on a shaft section of the output main shaft 2, which is positioned in the time-sharing four-wheel drive transmission case, and is meshed with the intermediate gear 12, a driven gear 16 is sleeved on the time-sharing driving rotating shaft 17 in an empty mode and is meshed with the intermediate gear 12, a four-wheel drive clutch gear 14 is circumferentially fixed on the time-sharing driving rotating shaft 17 in an axially movable mode, and the four-wheel drive clutch gear is combined with or separated from the driven gear 16 through axial movement. The timesharing of this embodiment drives pivot 17 and is equipped with the spline section, four-wheel drive clutch gear 14 passes through spline fit on the spline section, four-wheel drive clutch gear 14 is equipped with and combines the external tooth, driven gear 16 sets up with four-wheel drive clutch gear 14 one end in opposite directions and combines the internal tooth, and with four-wheel drive clutch gear 14's combination external tooth meshing when supplying four-wheel drive. The four-wheel drive clutch gear 14 is provided with an annular groove surrounding the circumference, a shifting fork shaft 21 moving in the axial direction is in sliding fit in a time-sharing four-wheel drive transmission box and is parallel to the time-sharing drive rotating shaft 17, one end of the shifting fork shaft extends outwards to be used for connecting an operating mechanism, a four-wheel drive switching shifting fork 15 fixedly connected to the shifting fork shaft 21 is in clamping fit in the annular groove of the four-wheel drive clutch gear 14, and a return spring 20 is sleeved on the shifting fork shaft 21 and is positioned between the four-wheel drive switching shifting fork 15 and the wall of the box body 8 supporting the extending end of the shifting fork shaft. In order to facilitate the time-sharing switching operation between the two-wheel drive and the four-wheel drive, a radial through hole is arranged at the extending end of the shifting fork shaft 21 and used for connecting a control cable, and a fixed bracket 22 of the control cable is fixedly arranged on the box body 8 of the time-sharing four-wheel drive transmission case and is positioned beside the extending end of the shifting fork shaft 21.
The utility model discloses not only confine to above-mentioned embodiment, for the convenience with four-wheel motorcycle's preceding, rear drive axle's transmission shaft be assembled between/be connected between, the first universal joint coupling 11 of the overhanging end fixed connection of output main shaft 2 for connect rear drive axle transmission power backward, the overhanging end fixed connection second universal joint coupling 16 of timesharing drive pivot 17 for connect preceding transmission axle transmission power forward.
When the time-sharing four-wheel drive transmission assembly of the four-wheel motorcycle works, due to the tension action of the return spring 20 between the four-wheel drive switching shift fork 15 and the wall of the box body 8 supporting the outward extending end of the shift fork shaft, the four-wheel drive switching shift fork 15 shifts the four-wheel drive clutch gear 14 to a position separated from the driven gear 16 as a normal state, the power transmission between the driven gear 16 and the four-wheel drive clutch gear 14 is in an interruption state, and the four-wheel motorcycle is a rear wheel two-wheel drive running normal state. Under the state of rear wheel two-wheel drive running, the power output by the motorcycle engine is simultaneously transmitted to a forward bevel gear 7 and a reverse bevel gear 3 in the reverse gear through an input bevel gear 19 of the motorcycle reverse gear, a gear shifting fork 5 shifts a gear shifting combination gear 4 to be combined with the forward bevel gear 7 or the reverse bevel gear 3 to drive an output main shaft 2 to rotate, and the output main shaft 2 drives a driven gear 16 to idle on a time-sharing driving rotating shaft 17 through a driving gear 10 and an intermediate gear 12. When a driver adopts a gear-shifting pedal to control the gear-shifting combination gear 4 to be combined with the forward gear bevel gear 7 through the gear-shifting fork 5, the forward gear bevel gear 7 transmits power to the output main shaft 2 through the gear-shifting combination gear 4, the output main shaft 2 transmits the power to a rear drive axle of the four-wheel motorcycle to drive two rear wheels to rotate, and the four-wheel motorcycle is driven to move forwards by two drives; when a driver adopts a gear shifting pedal to control the gear shifting combination gear 4 to be combined with the reverse bevel gear 3 through the gear shifting fork 5, the reverse bevel gear 3 transmits power to the output main shaft 2 through the gear shifting combination gear 4, the output main shaft 2 transmits the power to a rear drive axle of the four-wheel motorcycle to drive two rear wheels to rotate, and the four-wheel motorcycle runs backwards in a two-drive mode. Once the four-wheel motorcycle needs to drive in four directions, a driver operates a control cable to pull a shifting fork shaft 21 to move axially, so that a four-wheel drive switching shifting fork 15 shifts a four-wheel drive clutch gear 14 to be combined with a driven gear 16, the driven gear 16 transmits power to a time-sharing drive rotating shaft 17 through the four-wheel drive clutch gear 14, the time-sharing drive rotating shaft 17 transmits the power to a front drive axle of the four-wheel motorcycle to drive two front wheels to rotate to participate in the driving of the four-wheel motorcycle, at the moment, the combination state of the four-wheel drive clutch gear 14 and the driven gear 16 is kept by the tension of the control cable, and the front wheel and the rear wheel of the four-wheel motorcycle are driven to run simultaneously by the power output by an engine to form a four-wheel drive driving state. If the four-wheel motorcycle returns to the rear wheel two-wheel drive running state, the traction of the control cable is only needed to be relieved, the return spring 20 pushes the four-wheel drive switching shifting fork 15 to drive the four-wheel drive clutch gear 14 to return, the four-wheel drive switching shifting fork is separated from the driven gear 16, the power transmitted to the time-sharing drive rotating shaft 17 by the engine is interrupted, and the four-wheel motorcycle returns to the rear wheel two-wheel drive running state again, so that the four-wheel motorcycle can realize the time-sharing four-wheel drive function through the transmission switching of the time-sharing four-wheel drive transmission assembly.

Claims (7)

1. The utility model provides a four-wheel motorcycle's timesharing drives transmission assembly all around, includes motorcycle reverse gear ware, its characterized in that: one side of a shell of a motorcycle reverse gear device is fixedly connected with a time-sharing four-wheel drive transmission case, an output main shaft of the motorcycle reverse gear device penetrates through the time-sharing four-wheel drive transmission case to extend outwards, a time-sharing driving rotating shaft is arranged in the time-sharing four-wheel drive transmission case and extends outwards, the time-sharing driving rotating shaft is parallel to the output main shaft and extends outwards in an opposite direction, an intermediate shaft parallel to the output main shaft is arranged in the time-sharing four-wheel drive transmission case, an intermediate gear is arranged on the intermediate shaft, a driving gear is circumferentially fixed on the output main shaft and is meshed with the intermediate gear, a driven gear is sleeved on the time-sharing driving rotating shaft in a hollow mode and is meshed with the intermediate gear, a four-wheel clutch gear capable of axially moving is circumferentially fixed on the time-sharing driving rotating shaft and is combined with or separated from the driven gear through axial movement, an annular groove surrounding the circumference is arranged on the four-wheel clutch gear, and a shifting fork shaft axially moving is in a sliding fit with the time-sharing four-wheel drive transmission case, is parallel to the time-sharing drive rotating shaft and one end of the time-sharing four-wheel drive transmission case and is used for combining with the time-sharing driving rotating shaft to extend And the four-wheel drive switching shifting fork fixedly connected to the shifting fork shaft is clamped and matched in an annular groove of the four-wheel drive clutch gear, and a return spring is sleeved on the shifting fork shaft and is positioned between the four-wheel drive switching shifting fork and the wall of the box body supporting the extending end of the shifting fork shaft.
2. The time-sharing four-wheel drive transmission assembly of the four-wheel motorcycle according to claim 1, wherein: the output main shaft of the motorcycle reverse gear is supported on the reverse gear shell and the time-sharing four-wheel drive transmission case through bearings respectively, and the time-sharing drive rotating shaft and the intermediate shaft are supported on the time-sharing four-wheel drive transmission case through bearings respectively.
3. The time-sharing four-wheel drive transmission assembly of a four-wheel motorcycle according to claim 1 or 2, wherein: the intermediate shaft is a spline shaft, and the intermediate gear is in spline fit with the intermediate shaft.
4. The time-sharing four-wheel drive transmission assembly of the four-wheel motorcycle according to claim 1, wherein: the timesharing drive pivot is equipped with the spline section, four-wheel drive clutch gear passes through spline fit on the spline section, four-wheel drive clutch gear is equipped with and combines the external tooth, driven gear sets up with four-wheel drive clutch gear one end in opposite directions and combines the internal tooth, and the meshing of the external tooth that combines with four-wheel drive clutch gear when supplying four-wheel drive.
5. The time-sharing four-wheel drive transmission assembly of the four-wheel motorcycle according to claim 1, wherein: the time-sharing four-wheel drive transmission case comprises a case body and a case cover, the case body is fixedly connected with a motorcycle reverse gear casing through a bolt, the case cover is fixedly connected with the case body through a bolt, an output main shaft of the motorcycle reverse gear is respectively supported on the reverse gear casing and the case cover of the time-sharing four-wheel drive transmission case through bearings, and an intermediate shaft and a time-sharing drive rotating shaft are respectively supported on the case body and the case cover of the time-sharing four-wheel drive transmission case through bearings.
6. The time-sharing four-wheel drive transmission assembly of the four-wheel motorcycle according to claim 1, wherein: the outer extending end of the output main shaft is fixedly connected with a first universal joint coupler and used for being connected with a rear transmission shaft, and the outer extending end of the time-sharing driving rotating shaft is fixedly connected with a second universal joint coupler and used for being connected with a front transmission shaft.
7. The time-sharing four-wheel drive transmission assembly of the four-wheel motorcycle according to claim 1, wherein: the motorcycle reverse gear device comprises a forward gear bevel gear, a reverse gear bevel gear, an input bevel gear and an output main shaft, the output main shaft is supported in the reverse gear device shell through a bearing, one end of the output main shaft extends out of the reverse gear device shell, the forward gear bevel gear and the reverse gear bevel gear are positioned in the reverse gear device shell, and are oppositely and freely sleeved on the output main shaft, the input bevel gear is supported on the reverse gear shell through a bearing, and is meshed with a forward bevel gear and a reverse bevel gear, the opposite ends of the forward bevel gear and the reverse bevel gear are both provided with combination internal teeth, a gear-shifting combination gear is positioned between the opposite ends of the forward bevel gear and the reverse bevel gear, a spline which can move axially is matched on the output main shaft, a shifting fork is clamped in a ring groove arranged on the shifting combination gear, the shifting fork is fixedly connected to a shifting fork rotating shaft, and one end of the shifting fork rotating shaft extends out of the reverse gear device shell and is fixedly connected with a shifting pedal.
CN202121134458.8U 2021-05-25 2021-05-25 Time-sharing four-wheel drive transmission assembly of four-wheel motorcycle Active CN214874230U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121134458.8U CN214874230U (en) 2021-05-25 2021-05-25 Time-sharing four-wheel drive transmission assembly of four-wheel motorcycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121134458.8U CN214874230U (en) 2021-05-25 2021-05-25 Time-sharing four-wheel drive transmission assembly of four-wheel motorcycle

Publications (1)

Publication Number Publication Date
CN214874230U true CN214874230U (en) 2021-11-26

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ID=78900862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121134458.8U Active CN214874230U (en) 2021-05-25 2021-05-25 Time-sharing four-wheel drive transmission assembly of four-wheel motorcycle

Country Status (1)

Country Link
CN (1) CN214874230U (en)

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